HfTaO2S

ceramic

· HfTaO2S

HfTaO2S is an experimental mixed-metal oxide-sulfide ceramic compound combining hafnium, tantalum, oxygen, and sulfur. This material belongs to the family of refractory and high-entropy oxide ceramics, which are currently under active research for extreme-temperature and demanding electronic applications. As a research-phase material, HfTaO2S is being investigated for its potential to offer improved thermal stability, hardness, and chemical resistance compared to conventional single-oxide ceramics, particularly in applications requiring simultaneous resistance to thermal cycling and corrosive environments.

High-temperature structural applicationsRefractory coatingsAdvanced electronic substratesThermal barrier systemsCorrosion-resistant ceramicsResearch materials

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.3884	μB	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	0.9600	eV/atom	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

HfTaO2S

Electrical Properties

Other Properties

Regulatory Screening

Environmental